<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>今天星期几？</title>
	</head>
	<body>
		<h2 id="day"></h2>
		<script>
			var date=new Date().getDay();
			var h2=document.getElementById('day');
			var s="今天星期";
			switch (date){
				case 0:
				    s+="天";
					break;
				case 1:
				    s+="一";
					break;
				case 2:
				    s+="二";
					break;
				case 3:
				    s+="三";
					break;
				case 4:
				    s+="四";
					break;
				case 5:
				    s+="五";
					break;
				case 6:
				    s+="六";
					break;
				default:
					break;
			}
			h2.innerText=s;
		</script>
	</body>
</html>
